本文整理汇总了C#中System.Web.UI.Design.WebControls.GridViewDesigner类的典型用法代码示例。如果您正苦于以下问题：C# GridViewDesigner类的具体用法？C# GridViewDesigner怎么用？C# GridViewDesigner使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
GridViewDesigner类属于System.Web.UI.Design.WebControls命名空间，在下文中一共展示了GridViewDesigner类的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: PreFilterProperties
//引入命名空间
using System;
using System.Web;
using System.Drawing;
using System.Web.UI.WebControls;
using System.Web.UI.Design.WebControls;
using System.Collections;
using System.ComponentModel;
using System.Security.Permissions;
namespace Examples.CS.WebControls.Design
{
// The MyGridView is a copy of the GridView.
[AspNetHostingPermission(SecurityAction.Demand,
Level = AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermission(SecurityAction.InheritanceDemand,
Level = AspNetHostingPermissionLevel.Minimal)]
[Designer(typeof(Examples.CS.WebControls.Design.MyGridViewDesigner))]
public class MyGridView : GridView
{
} // MyGridView
// Override members of the GridViewDesigner.
[ReflectionPermission(SecurityAction.Demand, Flags=ReflectionPermissionFlag.MemberAccess)]
public class MyGridViewDesigner : GridViewDesigner
{
// Shadow the control properties with design-time properties.
protected override void PreFilterProperties(IDictionary properties)
{
// Call the base method first.
base.PreFilterProperties(properties);
// Make the Page visible in the Properties grid.
PropertyDescriptor selectProp =
(PropertyDescriptor)properties["Page"];
properties["Page"] =
TypeDescriptor.CreateProperty(selectProp.ComponentType,
selectProp, BrowsableAttribute.Yes);
} // PreFilterProperties
// Generate the design-time markup.
const string capTag = "caption";
const string trOpen = "tr><td colspan=9 align=center";
const string trClose = "td></tr";
public override string GetDesignTimeHtml()
{
// Make the full extent of the control more visible in the designer.
// If the border style is None or NotSet, change the border to
// a wide, blue, dashed line. Include the caption within the border.
MyGridView myGV = (MyGridView)Component;
string markup = null;
int charX;
// Check if the border style should be changed.
if (myGV.BorderStyle == BorderStyle.NotSet ||
myGV.BorderStyle == BorderStyle.None)
{
BorderStyle oldBorderStyle = myGV.BorderStyle;
Unit oldBorderWidth = myGV.BorderWidth;
Color oldBorderColor = myGV.BorderColor;
// Set the design-time properties and catch any exceptions.
try
{
myGV.BorderStyle = BorderStyle.Dashed;
myGV.BorderWidth = Unit.Pixel(3);
myGV.BorderColor = Color.Blue;
// Call the base method to generate the markup.
markup = base.GetDesignTimeHtml();
}
catch (Exception ex)
{
markup = GetErrorDesignTimeHtml(ex);
}
finally
{
// Restore the properties to their original settings.
myGV.BorderStyle = oldBorderStyle;
myGV.BorderWidth = oldBorderWidth;
myGV.BorderColor = oldBorderColor;
}
}
else
{
// Call the base method to generate the markup.
markup = base.GetDesignTimeHtml();
}
// Look for a <caption> tag.
if ((charX = markup.IndexOf(capTag)) > 0)
{
// Replace the first caption with
// "tr><td colspan=9 align=center".
// It is okay if the colspan exceeds the
// number of columns in the table.
markup = markup.Remove(charX,
capTag.Length).Insert(charX, trOpen);
// Replace the second caption with "td></tr".
if ((charX = markup.IndexOf(capTag, charX)) > 0)
markup = markup.Remove(charX,
capTag.Length).Insert(charX, trClose);
}
return markup;
} // GetDesignTimeHtml
} // MyGridViewDesigner
} // Examples.CS.WebControls.Design